Compact Rectifier optional Doubler

by dr2chase.

2 layer board of 2.13x0.78 inches (54.23x19.74 mm).
Shared on August 29th, 2014 17:49.

A modified optional Greinacher doubler. To build, needs 4 SB540 (or similar) diodes, 2 1000uF x 16V caps, 1 10k-22k uF x 16V cap, optional 3.5mm terminal block, and an optional jumper (you want the jumper, but it’s optional in case you know better or want to play games switching it on and off).

Big cap solders on to the end, use epoxy to prevent flex, and jumper activates doubler. Pictures

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Battery PreRegulator

by uChip.

2 layer board of 0.80x0.50 inches (20.32x12.70 mm).
Shared on August 29th, 2014 17:46.

For use with 24V batteries

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MoT Ge Fuzz

by Rockit-Frog.

2 layer board of 2.77x0.85 inches (70.26x21.49 mm).
Shared on August 29th, 2014 16:04.

Ge Fuzz, lots of knobs, positive supply rail

Schematic

PCB Layout

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Ublox NEO-x Breakout Board

by goboxgizmos.

2 layer board of 1.78x1.42 inches (45.21x35.99 mm).
Shared on August 29th, 2014 14:16.

I needed a GPS for prototyping. This is what I came up with. Works for me. YMMV.

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Jaluino Bee

by Rasyoung.

2 layer board of 1.95x1.95 inches (49.50x49.53 mm).
Shared on August 29th, 2014 01:14.

V 2.0

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